Home / 63,083.64-87,061.56-47,140.40

Finding the Fourth Proportional to 63,083.64, 87,061.56 and 47,140.40

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Solution

The fourth proportional to 63,083.64, 87,061.56 and 47,140.40 is: 65,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,083.64 : 87,061.56 = 47,140.40 : x
  2. Step 2: Convert to fraction form
    63,083.64/87,061.56 = 47,140.40/x
  3. Step 3: Cross multiply
    63,083.64x = 87,061.56 × 47,140.40
  4. Step 4: Simplify right side
    63,083.64x = 4,104,116,763.02
  5. Step 5: Solve for x
    x = 4,104,116,763.02/63,083.64
  6. Step 6: Final answer
    x = 65,058.34

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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.