Home / 97,667.10-134,779.95-55,225.80

Finding the Fourth Proportional to 97,667.10, 134,779.95 and 55,225.80

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Solution

The fourth proportional to 97,667.10, 134,779.95 and 55,225.80 is: 76,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,667.10 : 134,779.95 = 55,225.80 : x
  2. Step 2: Convert to fraction form
    97,667.10/134,779.95 = 55,225.80/x
  3. Step 3: Cross multiply
    97,667.10x = 134,779.95 × 55,225.80
  4. Step 4: Simplify right side
    97,667.10x = 7,443,330,562.71
  5. Step 5: Solve for x
    x = 7,443,330,562.71/97,667.10
  6. Step 6: Final answer
    x = 76,211.24

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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.