Home / 70,660.11-97,413.52-56,368.45

Finding the Fourth Proportional to 70,660.11, 97,413.52 and 56,368.45

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Solution

The fourth proportional to 70,660.11, 97,413.52 and 56,368.45 is: 77,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,660.11 : 97,413.52 = 56,368.45 : x
  2. Step 2: Convert to fraction form
    70,660.11/97,413.52 = 56,368.45/x
  3. Step 3: Cross multiply
    70,660.11x = 97,413.52 × 56,368.45
  4. Step 4: Simplify right side
    70,660.11x = 5,491,048,362.53
  5. Step 5: Solve for x
    x = 5,491,048,362.53/70,660.11
  6. Step 6: Final answer
    x = 77,710.72

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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.