Home / 80,875.75-111,607.02-45,065.00

Finding the Fourth Proportional to 80,875.75, 111,607.02 and 45,065.00

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Solution

The fourth proportional to 80,875.75, 111,607.02 and 45,065.00 is: 62,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,875.75 : 111,607.02 = 45,065.00 : x
  2. Step 2: Convert to fraction form
    80,875.75/111,607.02 = 45,065.00/x
  3. Step 3: Cross multiply
    80,875.75x = 111,607.02 × 45,065.00
  4. Step 4: Simplify right side
    80,875.75x = 5,029,569,798.26
  5. Step 5: Solve for x
    x = 5,029,569,798.26/80,875.75
  6. Step 6: Final answer
    x = 62,188.85

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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.