Home / 93,413.34-128,909.70-53,127.05

Finding the Fourth Proportional to 93,413.34, 128,909.70 and 53,127.05

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Solution

The fourth proportional to 93,413.34, 128,909.70 and 53,127.05 is: 73,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,413.34 : 128,909.70 = 53,127.05 : x
  2. Step 2: Convert to fraction form
    93,413.34/128,909.70 = 53,127.05/x
  3. Step 3: Cross multiply
    93,413.34x = 128,909.70 × 53,127.05
  4. Step 4: Simplify right side
    93,413.34x = 6,848,591,432.84
  5. Step 5: Solve for x
    x = 6,848,591,432.84/93,413.34
  6. Step 6: Final answer
    x = 73,314.92

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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.