Home / 101,962.16-140,689.08-61,670.24

Finding the Fourth Proportional to 101,962.16, 140,689.08 and 61,670.24

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Solution

The fourth proportional to 101,962.16, 140,689.08 and 61,670.24 is: 85,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,962.16 : 140,689.08 = 61,670.24 : x
  2. Step 2: Convert to fraction form
    101,962.16/140,689.08 = 61,670.24/x
  3. Step 3: Cross multiply
    101,962.16x = 140,689.08 × 61,670.24
  4. Step 4: Simplify right side
    101,962.16x = 8,676,329,328.98
  5. Step 5: Solve for x
    x = 8,676,329,328.98/101,962.16
  6. Step 6: Final answer
    x = 85,093.62

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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.