Home / 84,841.16-117,139.38-53,024.36

Finding the Fourth Proportional to 84,841.16, 117,139.38 and 53,024.36

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Solution

The fourth proportional to 84,841.16, 117,139.38 and 53,024.36 is: 73,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,841.16 : 117,139.38 = 53,024.36 : x
  2. Step 2: Convert to fraction form
    84,841.16/117,139.38 = 53,024.36/x
  3. Step 3: Cross multiply
    84,841.16x = 117,139.38 × 53,024.36
  4. Step 4: Simplify right side
    84,841.16x = 6,211,240,655.30
  5. Step 5: Solve for x
    x = 6,211,240,655.30/84,841.16
  6. Step 6: Final answer
    x = 73,210.23

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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.