Home / 99,247.98-136,961.64-53,925.66

Finding the Fourth Proportional to 99,247.98, 136,961.64 and 53,925.66

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Solution

The fourth proportional to 99,247.98, 136,961.64 and 53,925.66 is: 74,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,247.98 : 136,961.64 = 53,925.66 : x
  2. Step 2: Convert to fraction form
    99,247.98/136,961.64 = 53,925.66/x
  3. Step 3: Cross multiply
    99,247.98x = 136,961.64 × 53,925.66
  4. Step 4: Simplify right side
    99,247.98x = 7,385,746,831.68
  5. Step 5: Solve for x
    x = 7,385,746,831.68/99,247.98
  6. Step 6: Final answer
    x = 74,417.10

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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.