Home / 109,816.29-151,554.21-62,070.00

Finding the Fourth Proportional to 109,816.29, 151,554.21 and 62,070.00

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Solution

The fourth proportional to 109,816.29, 151,554.21 and 62,070.00 is: 85,660.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,816.29 : 151,554.21 = 62,070.00 : x
  2. Step 2: Convert to fraction form
    109,816.29/151,554.21 = 62,070.00/x
  3. Step 3: Cross multiply
    109,816.29x = 151,554.21 × 62,070.00
  4. Step 4: Simplify right side
    109,816.29x = 9,406,969,013.61
  5. Step 5: Solve for x
    x = 9,406,969,013.61/109,816.29
  6. Step 6: Final answer
    x = 85,660.96

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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.