Home / 83,488.74-115,215.45-45,762.18

Finding the Fourth Proportional to 83,488.74, 115,215.45 and 45,762.18

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Solution

The fourth proportional to 83,488.74, 115,215.45 and 45,762.18 is: 63,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,488.74 : 115,215.45 = 45,762.18 : x
  2. Step 2: Convert to fraction form
    83,488.74/115,215.45 = 45,762.18/x
  3. Step 3: Cross multiply
    83,488.74x = 115,215.45 × 45,762.18
  4. Step 4: Simplify right side
    83,488.74x = 5,272,510,161.68
  5. Step 5: Solve for x
    x = 5,272,510,161.68/83,488.74
  6. Step 6: Final answer
    x = 63,152.35

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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.