Home / 97,315.07-134,294.90-57,020.81

Finding the Fourth Proportional to 97,315.07, 134,294.90 and 57,020.81

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Solution

The fourth proportional to 97,315.07, 134,294.90 and 57,020.81 is: 78,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,315.07 : 134,294.90 = 57,020.81 : x
  2. Step 2: Convert to fraction form
    97,315.07/134,294.90 = 57,020.81/x
  3. Step 3: Cross multiply
    97,315.07x = 134,294.90 × 57,020.81
  4. Step 4: Simplify right side
    97,315.07x = 7,657,603,020.29
  5. Step 5: Solve for x
    x = 7,657,603,020.29/97,315.07
  6. Step 6: Final answer
    x = 78,688.77

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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.