Home / 93,413.18-128,913.03-53,132.74

Finding the Fourth Proportional to 93,413.18, 128,913.03 and 53,132.74

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Solution

The fourth proportional to 93,413.18, 128,913.03 and 53,132.74 is: 73,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,413.18 : 128,913.03 = 53,132.74 : x
  2. Step 2: Convert to fraction form
    93,413.18/128,913.03 = 53,132.74/x
  3. Step 3: Cross multiply
    93,413.18x = 128,913.03 × 53,132.74
  4. Step 4: Simplify right side
    93,413.18x = 6,849,502,183.32
  5. Step 5: Solve for x
    x = 6,849,502,183.32/93,413.18
  6. Step 6: Final answer
    x = 73,324.79

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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.