Home / 109,624.15-151,281.80-59,323.15

Finding the Fourth Proportional to 109,624.15, 151,281.80 and 59,323.15

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Solution

The fourth proportional to 109,624.15, 151,281.80 and 59,323.15 is: 81,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,624.15 : 151,281.80 = 59,323.15 : x
  2. Step 2: Convert to fraction form
    109,624.15/151,281.80 = 59,323.15/x
  3. Step 3: Cross multiply
    109,624.15x = 151,281.80 × 59,323.15
  4. Step 4: Simplify right side
    109,624.15x = 8,974,512,913.67
  5. Step 5: Solve for x
    x = 8,974,512,913.67/109,624.15
  6. Step 6: Final answer
    x = 81,866.20

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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.