Home / 54,579.12-75,312.45-34,428.39

Finding the Fourth Proportional to 54,579.12, 75,312.45 and 34,428.39

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Solution

The fourth proportional to 54,579.12, 75,312.45 and 34,428.39 is: 47,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579.12 : 75,312.45 = 34,428.39 : x
  2. Step 2: Convert to fraction form
    54,579.12/75,312.45 = 34,428.39/x
  3. Step 3: Cross multiply
    54,579.12x = 75,312.45 × 34,428.39
  4. Step 4: Simplify right side
    54,579.12x = 2,592,886,400.46
  5. Step 5: Solve for x
    x = 2,592,886,400.46/54,579.12
  6. Step 6: Final answer
    x = 47,506.93

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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.