Home / 98,613.48-136,053.36-56,141.94

Finding the Fourth Proportional to 98,613.48, 136,053.36 and 56,141.94

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Solution

The fourth proportional to 98,613.48, 136,053.36 and 56,141.94 is: 77,456.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,613.48 : 136,053.36 = 56,141.94 : x
  2. Step 2: Convert to fraction form
    98,613.48/136,053.36 = 56,141.94/x
  3. Step 3: Cross multiply
    98,613.48x = 136,053.36 × 56,141.94
  4. Step 4: Simplify right side
    98,613.48x = 7,638,299,573.92
  5. Step 5: Solve for x
    x = 7,638,299,573.92/98,613.48
  6. Step 6: Final answer
    x = 77,456.95

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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.