Home / 82,058.18-113,130.61-61,553.08

Finding the Fourth Proportional to 82,058.18, 113,130.61 and 61,553.08

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Solution

The fourth proportional to 82,058.18, 113,130.61 and 61,553.08 is: 84,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,058.18 : 113,130.61 = 61,553.08 : x
  2. Step 2: Convert to fraction form
    82,058.18/113,130.61 = 61,553.08/x
  3. Step 3: Cross multiply
    82,058.18x = 113,130.61 × 61,553.08
  4. Step 4: Simplify right side
    82,058.18x = 6,963,537,051.07
  5. Step 5: Solve for x
    x = 6,963,537,051.07/82,058.18
  6. Step 6: Final answer
    x = 84,860.98

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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.