Home / 94,728.96-130,736.16-70,814.52

Finding the Fourth Proportional to 94,728.96, 130,736.16 and 70,814.52

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Solution

The fourth proportional to 94,728.96, 130,736.16 and 70,814.52 is: 97,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,728.96 : 130,736.16 = 70,814.52 : x
  2. Step 2: Convert to fraction form
    94,728.96/130,736.16 = 70,814.52/x
  3. Step 3: Cross multiply
    94,728.96x = 130,736.16 × 70,814.52
  4. Step 4: Simplify right side
    94,728.96x = 9,258,018,417.04
  5. Step 5: Solve for x
    x = 9,258,018,417.04/94,728.96
  6. Step 6: Final answer
    x = 97,731.66

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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.