Home / 97,746.60-134,886.63-55,306.05

Finding the Fourth Proportional to 97,746.60, 134,886.63 and 55,306.05

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Solution

The fourth proportional to 97,746.60, 134,886.63 and 55,306.05 is: 76,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,746.60 : 134,886.63 = 55,306.05 : x
  2. Step 2: Convert to fraction form
    97,746.60/134,886.63 = 55,306.05/x
  3. Step 3: Cross multiply
    97,746.60x = 134,886.63 × 55,306.05
  4. Step 4: Simplify right side
    97,746.60x = 7,460,046,703.11
  5. Step 5: Solve for x
    x = 7,460,046,703.11/97,746.60
  6. Step 6: Final answer
    x = 76,320.27

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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.