Home / 64,505.40-89,047.56-43,030.92

Finding the Fourth Proportional to 64,505.40, 89,047.56 and 43,030.92

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Solution

The fourth proportional to 64,505.40, 89,047.56 and 43,030.92 is: 59,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,505.40 : 89,047.56 = 43,030.92 : x
  2. Step 2: Convert to fraction form
    64,505.40/89,047.56 = 43,030.92/x
  3. Step 3: Cross multiply
    64,505.40x = 89,047.56 × 43,030.92
  4. Step 4: Simplify right side
    64,505.40x = 3,831,798,430.56
  5. Step 5: Solve for x
    x = 3,831,798,430.56/64,505.40
  6. Step 6: Final answer
    x = 59,402.75

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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.