Home / 106,570.56-147,041.60-68,312.64

Finding the Fourth Proportional to 106,570.56, 147,041.60 and 68,312.64

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Solution

The fourth proportional to 106,570.56, 147,041.60 and 68,312.64 is: 94,254.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,570.56 : 147,041.60 = 68,312.64 : x
  2. Step 2: Convert to fraction form
    106,570.56/147,041.60 = 68,312.64/x
  3. Step 3: Cross multiply
    106,570.56x = 147,041.60 × 68,312.64
  4. Step 4: Simplify right side
    106,570.56x = 10,044,799,885.82
  5. Step 5: Solve for x
    x = 10,044,799,885.82/106,570.56
  6. Step 6: Final answer
    x = 94,254.92

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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.