Home / 99,242.49-136,950.18-56,221.10

Finding the Fourth Proportional to 99,242.49, 136,950.18 and 56,221.10

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Solution

The fourth proportional to 99,242.49, 136,950.18 and 56,221.10 is: 77,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,242.49 : 136,950.18 = 56,221.10 : x
  2. Step 2: Convert to fraction form
    99,242.49/136,950.18 = 56,221.10/x
  3. Step 3: Cross multiply
    99,242.49x = 136,950.18 × 56,221.10
  4. Step 4: Simplify right side
    99,242.49x = 7,699,490,153.13
  5. Step 5: Solve for x
    x = 7,699,490,153.13/99,242.49
  6. Step 6: Final answer
    x = 77,582.60

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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.