Home / 84,851.50-117,095.08-47,129.26

Finding the Fourth Proportional to 84,851.50, 117,095.08 and 47,129.26

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Solution

The fourth proportional to 84,851.50, 117,095.08 and 47,129.26 is: 65,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,851.50 : 117,095.08 = 47,129.26 : x
  2. Step 2: Convert to fraction form
    84,851.50/117,095.08 = 47,129.26/x
  3. Step 3: Cross multiply
    84,851.50x = 117,095.08 × 47,129.26
  4. Step 4: Simplify right side
    84,851.50x = 5,518,604,470.04
  5. Step 5: Solve for x
    x = 5,518,604,470.04/84,851.50
  6. Step 6: Final answer
    x = 65,038.38

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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.