Home / 86,243.57-119,070.80-59,065.23

Finding the Fourth Proportional to 86,243.57, 119,070.80 and 59,065.23

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Solution

The fourth proportional to 86,243.57, 119,070.80 and 59,065.23 is: 81,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,243.57 : 119,070.80 = 59,065.23 : x
  2. Step 2: Convert to fraction form
    86,243.57/119,070.80 = 59,065.23/x
  3. Step 3: Cross multiply
    86,243.57x = 119,070.80 × 59,065.23
  4. Step 4: Simplify right side
    86,243.57x = 7,032,944,335.95
  5. Step 5: Solve for x
    x = 7,032,944,335.95/86,243.57
  6. Step 6: Final answer
    x = 81,547.47

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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.