Home / 97,259.60-145,565.40-70,529.60

Finding the Fourth Proportional to 97,259.60, 145,565.40 and 70,529.60

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Solution

The fourth proportional to 97,259.60, 145,565.40 and 70,529.60 is: 105,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,259.60 : 145,565.40 = 70,529.60 : x
  2. Step 2: Convert to fraction form
    97,259.60/145,565.40 = 70,529.60/x
  3. Step 3: Cross multiply
    97,259.60x = 145,565.40 × 70,529.60
  4. Step 4: Simplify right side
    97,259.60x = 10,266,669,435.84
  5. Step 5: Solve for x
    x = 10,266,669,435.84/97,259.60
  6. Step 6: Final answer
    x = 105,559.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.