Home / 97,420.60-134,442.21-54,970.93

Finding the Fourth Proportional to 97,420.60, 134,442.21 and 54,970.93

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Solution

The fourth proportional to 97,420.60, 134,442.21 and 54,970.93 is: 75,860.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,420.60 : 134,442.21 = 54,970.93 : x
  2. Step 2: Convert to fraction form
    97,420.60/134,442.21 = 54,970.93/x
  3. Step 3: Cross multiply
    97,420.60x = 134,442.21 × 54,970.93
  4. Step 4: Simplify right side
    97,420.60x = 7,390,413,314.96
  5. Step 5: Solve for x
    x = 7,390,413,314.96/97,420.60
  6. Step 6: Final answer
    x = 75,860.89

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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.