Home / 113,054.64-156,016.02-70,637.76

Finding the Fourth Proportional to 113,054.64, 156,016.02 and 70,637.76

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Solution

The fourth proportional to 113,054.64, 156,016.02 and 70,637.76 is: 97,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,054.64 : 156,016.02 = 70,637.76 : x
  2. Step 2: Convert to fraction form
    113,054.64/156,016.02 = 70,637.76/x
  3. Step 3: Cross multiply
    113,054.64x = 156,016.02 × 70,637.76
  4. Step 4: Simplify right side
    113,054.64x = 11,020,622,176.92
  5. Step 5: Solve for x
    x = 11,020,622,176.92/113,054.64
  6. Step 6: Final answer
    x = 97,480.49

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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.