Home / 124,313.36-186,528.36-61,988.72

Finding the Fourth Proportional to 124,313.36, 186,528.36 and 61,988.72

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Solution

The fourth proportional to 124,313.36, 186,528.36 and 61,988.72 is: 93,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,313.36 : 186,528.36 = 61,988.72 : x
  2. Step 2: Convert to fraction form
    124,313.36/186,528.36 = 61,988.72/x
  3. Step 3: Cross multiply
    124,313.36x = 186,528.36 × 61,988.72
  4. Step 4: Simplify right side
    124,313.36x = 11,562,654,280.10
  5. Step 5: Solve for x
    x = 11,562,654,280.10/124,313.36
  6. Step 6: Final answer
    x = 93,012.16

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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.