Home / 99,025.04-136,661.80-56,582.68

Finding the Fourth Proportional to 99,025.04, 136,661.80 and 56,582.68

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Solution

The fourth proportional to 99,025.04, 136,661.80 and 56,582.68 is: 78,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,025.04 : 136,661.80 = 56,582.68 : x
  2. Step 2: Convert to fraction form
    99,025.04/136,661.80 = 56,582.68/x
  3. Step 3: Cross multiply
    99,025.04x = 136,661.80 × 56,582.68
  4. Step 4: Simplify right side
    99,025.04x = 7,732,690,897.62
  5. Step 5: Solve for x
    x = 7,732,690,897.62/99,025.04
  6. Step 6: Final answer
    x = 78,088.24

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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.