Home / 90,929.86-125,483.35-52,696.75

Finding the Fourth Proportional to 90,929.86, 125,483.35 and 52,696.75

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Solution

The fourth proportional to 90,929.86, 125,483.35 and 52,696.75 is: 72,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,929.86 : 125,483.35 = 52,696.75 : x
  2. Step 2: Convert to fraction form
    90,929.86/125,483.35 = 52,696.75/x
  3. Step 3: Cross multiply
    90,929.86x = 125,483.35 × 52,696.75
  4. Step 4: Simplify right side
    90,929.86x = 6,612,564,724.11
  5. Step 5: Solve for x
    x = 6,612,564,724.11/90,929.86
  6. Step 6: Final answer
    x = 72,721.60

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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.