Home / 91,818.83-137,432.99-47,385.07

Finding the Fourth Proportional to 91,818.83, 137,432.99 and 47,385.07

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Solution

The fourth proportional to 91,818.83, 137,432.99 and 47,385.07 is: 70,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,818.83 : 137,432.99 = 47,385.07 : x
  2. Step 2: Convert to fraction form
    91,818.83/137,432.99 = 47,385.07/x
  3. Step 3: Cross multiply
    91,818.83x = 137,432.99 × 47,385.07
  4. Step 4: Simplify right side
    91,818.83x = 6,512,271,626.34
  5. Step 5: Solve for x
    x = 6,512,271,626.34/91,818.83
  6. Step 6: Final answer
    x = 70,925.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.