Home / 98,660.61-136,153.13-56,218.23

Finding the Fourth Proportional to 98,660.61, 136,153.13 and 56,218.23

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Solution

The fourth proportional to 98,660.61, 136,153.13 and 56,218.23 is: 77,582.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,660.61 : 136,153.13 = 56,218.23 : x
  2. Step 2: Convert to fraction form
    98,660.61/136,153.13 = 56,218.23/x
  3. Step 3: Cross multiply
    98,660.61x = 136,153.13 × 56,218.23
  4. Step 4: Simplify right side
    98,660.61x = 7,654,287,696.47
  5. Step 5: Solve for x
    x = 7,654,287,696.47/98,660.61
  6. Step 6: Final answer
    x = 77,582.00

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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.