Home / 109,432.02-151,015.95-59,131.02

Finding the Fourth Proportional to 109,432.02, 151,015.95 and 59,131.02

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Solution

The fourth proportional to 109,432.02, 151,015.95 and 59,131.02 is: 81,600.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,432.02 : 151,015.95 = 59,131.02 : x
  2. Step 2: Convert to fraction form
    109,432.02/151,015.95 = 59,131.02/x
  3. Step 3: Cross multiply
    109,432.02x = 151,015.95 × 59,131.02
  4. Step 4: Simplify right side
    109,432.02x = 8,929,727,159.77
  5. Step 5: Solve for x
    x = 8,929,727,159.77/109,432.02
  6. Step 6: Final answer
    x = 81,600.68

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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.