Home / 98,621.52-136,006.20-62,774.16

Finding the Fourth Proportional to 98,621.52, 136,006.20 and 62,774.16

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Solution

The fourth proportional to 98,621.52, 136,006.20 and 62,774.16 is: 86,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,621.52 : 136,006.20 = 62,774.16 : x
  2. Step 2: Convert to fraction form
    98,621.52/136,006.20 = 62,774.16/x
  3. Step 3: Cross multiply
    98,621.52x = 136,006.20 × 62,774.16
  4. Step 4: Simplify right side
    98,621.52x = 8,537,674,959.79
  5. Step 5: Solve for x
    x = 8,537,674,959.79/98,621.52
  6. Step 6: Final answer
    x = 86,570.10

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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.