Home / 98,838.86-136,397.40-53,516.85

Finding the Fourth Proportional to 98,838.86, 136,397.40 and 53,516.85

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Solution

The fourth proportional to 98,838.86, 136,397.40 and 53,516.85 is: 73,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,838.86 : 136,397.40 = 53,516.85 : x
  2. Step 2: Convert to fraction form
    98,838.86/136,397.40 = 53,516.85/x
  3. Step 3: Cross multiply
    98,838.86x = 136,397.40 × 53,516.85
  4. Step 4: Simplify right side
    98,838.86x = 7,299,559,196.19
  5. Step 5: Solve for x
    x = 7,299,559,196.19/98,838.86
  6. Step 6: Final answer
    x = 73,853.13

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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.