Home / 84,830.76-117,070.02-47,108.52

Finding the Fourth Proportional to 84,830.76, 117,070.02 and 47,108.52

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Solution

The fourth proportional to 84,830.76, 117,070.02 and 47,108.52 is: 65,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,830.76 : 117,070.02 = 47,108.52 : x
  2. Step 2: Convert to fraction form
    84,830.76/117,070.02 = 47,108.52/x
  3. Step 3: Cross multiply
    84,830.76x = 117,070.02 × 47,108.52
  4. Step 4: Simplify right side
    84,830.76x = 5,514,995,378.57
  5. Step 5: Solve for x
    x = 5,514,995,378.57/84,830.76
  6. Step 6: Final answer
    x = 65,011.74

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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.