Home / 64,430.25-88,952.63-42,113.13

Finding the Fourth Proportional to 64,430.25, 88,952.63 and 42,113.13

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Solution

The fourth proportional to 64,430.25, 88,952.63 and 42,113.13 is: 58,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,430.25 : 88,952.63 = 42,113.13 : x
  2. Step 2: Convert to fraction form
    64,430.25/88,952.63 = 42,113.13/x
  3. Step 3: Cross multiply
    64,430.25x = 88,952.63 × 42,113.13
  4. Step 4: Simplify right side
    64,430.25x = 3,746,073,460.47
  5. Step 5: Solve for x
    x = 3,746,073,460.47/64,430.25
  6. Step 6: Final answer
    x = 58,141.53

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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.