Home / 57,088.14-78,779.68-31,595.58

Finding the Fourth Proportional to 57,088.14, 78,779.68 and 31,595.58

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Solution

The fourth proportional to 57,088.14, 78,779.68 and 31,595.58 is: 43,600.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,088.14 : 78,779.68 = 31,595.58 : x
  2. Step 2: Convert to fraction form
    57,088.14/78,779.68 = 31,595.58/x
  3. Step 3: Cross multiply
    57,088.14x = 78,779.68 × 31,595.58
  4. Step 4: Simplify right side
    57,088.14x = 2,489,089,681.81
  5. Step 5: Solve for x
    x = 2,489,089,681.81/57,088.14
  6. Step 6: Final answer
    x = 43,600.82

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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.