Home / 83,360.91-115,038.06-45,635.16

Finding the Fourth Proportional to 83,360.91, 115,038.06 and 45,635.16

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Solution

The fourth proportional to 83,360.91, 115,038.06 and 45,635.16 is: 62,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,360.91 : 115,038.06 = 45,635.16 : x
  2. Step 2: Convert to fraction form
    83,360.91/115,038.06 = 45,635.16/x
  3. Step 3: Cross multiply
    83,360.91x = 115,038.06 × 45,635.16
  4. Step 4: Simplify right side
    83,360.91x = 5,249,780,274.19
  5. Step 5: Solve for x
    x = 5,249,780,274.19/83,360.91
  6. Step 6: Final answer
    x = 62,976.52

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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.