Home / 86,638.17-119,525.07-52,641.15

Finding the Fourth Proportional to 86,638.17, 119,525.07 and 52,641.15

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Solution

The fourth proportional to 86,638.17, 119,525.07 and 52,641.15 is: 72,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,638.17 : 119,525.07 = 52,641.15 : x
  2. Step 2: Convert to fraction form
    86,638.17/119,525.07 = 52,641.15/x
  3. Step 3: Cross multiply
    86,638.17x = 119,525.07 × 52,641.15
  4. Step 4: Simplify right side
    86,638.17x = 6,291,937,138.63
  5. Step 5: Solve for x
    x = 6,291,937,138.63/86,638.17
  6. Step 6: Final answer
    x = 72,623.15

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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.