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Finding the Fourth Proportional to 64,100.58, 88,459.74 and 35,420.90

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Solution

The fourth proportional to 64,100.58, 88,459.74 and 35,420.90 is: 48,881.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,100.58 : 88,459.74 = 35,420.90 : x
  2. Step 2: Convert to fraction form
    64,100.58/88,459.74 = 35,420.90/x
  3. Step 3: Cross multiply
    64,100.58x = 88,459.74 × 35,420.90
  4. Step 4: Simplify right side
    64,100.58x = 3,133,323,427.46
  5. Step 5: Solve for x
    x = 3,133,323,427.46/64,100.58
  6. Step 6: Final answer
    x = 48,881.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.