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Finding the Fourth Proportional to 64,307.92, 88,666.51 and 47,260.25

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Solution

The fourth proportional to 64,307.92, 88,666.51 and 47,260.25 is: 65,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,307.92 : 88,666.51 = 47,260.25 : x
  2. Step 2: Convert to fraction form
    64,307.92/88,666.51 = 47,260.25/x
  3. Step 3: Cross multiply
    64,307.92x = 88,666.51 × 47,260.25
  4. Step 4: Simplify right side
    64,307.92x = 4,190,401,192.93
  5. Step 5: Solve for x
    x = 4,190,401,192.93/64,307.92
  6. Step 6: Final answer
    x = 65,161.52

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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.