Home / 86,283.06-129,613.29-61,482.48

Finding the Fourth Proportional to 86,283.06, 129,613.29 and 61,482.48

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Solution

The fourth proportional to 86,283.06, 129,613.29 and 61,482.48 is: 92,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,283.06 : 129,613.29 = 61,482.48 : x
  2. Step 2: Convert to fraction form
    86,283.06/129,613.29 = 61,482.48/x
  3. Step 3: Cross multiply
    86,283.06x = 129,613.29 × 61,482.48
  4. Step 4: Simplify right side
    86,283.06x = 7,968,946,510.16
  5. Step 5: Solve for x
    x = 7,968,946,510.16/86,283.06
  6. Step 6: Final answer
    x = 92,358.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.