Home / 93,465.12-128,982.06-51,024.36

Finding the Fourth Proportional to 93,465.12, 128,982.06 and 51,024.36

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Solution

The fourth proportional to 93,465.12, 128,982.06 and 51,024.36 is: 70,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,465.12 : 128,982.06 = 51,024.36 : x
  2. Step 2: Convert to fraction form
    93,465.12/128,982.06 = 51,024.36/x
  3. Step 3: Cross multiply
    93,465.12x = 128,982.06 × 51,024.36
  4. Step 4: Simplify right side
    93,465.12x = 6,581,227,062.98
  5. Step 5: Solve for x
    x = 6,581,227,062.98/93,465.12
  6. Step 6: Final answer
    x = 70,413.72

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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.