Home / 71,415.63-98,501.19-51,293.16

Finding the Fourth Proportional to 71,415.63, 98,501.19 and 51,293.16

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Solution

The fourth proportional to 71,415.63, 98,501.19 and 51,293.16 is: 70,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,415.63 : 98,501.19 = 51,293.16 : x
  2. Step 2: Convert to fraction form
    71,415.63/98,501.19 = 51,293.16/x
  3. Step 3: Cross multiply
    71,415.63x = 98,501.19 × 51,293.16
  4. Step 4: Simplify right side
    71,415.63x = 5,052,437,298.86
  5. Step 5: Solve for x
    x = 5,052,437,298.86/71,415.63
  6. Step 6: Final answer
    x = 70,746.94

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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.