Home / 70,869.60-97,810.80-53,845.92

Finding the Fourth Proportional to 70,869.60, 97,810.80 and 53,845.92

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Solution

The fourth proportional to 70,869.60, 97,810.80 and 53,845.92 is: 74,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,869.60 : 97,810.80 = 53,845.92 : x
  2. Step 2: Convert to fraction form
    70,869.60/97,810.80 = 53,845.92/x
  3. Step 3: Cross multiply
    70,869.60x = 97,810.80 × 53,845.92
  4. Step 4: Simplify right side
    70,869.60x = 5,266,712,511.94
  5. Step 5: Solve for x
    x = 5,266,712,511.94/70,869.60
  6. Step 6: Final answer
    x = 74,315.54

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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.