Home / 89,573.23-134,411.77-45,203.45

Finding the Fourth Proportional to 89,573.23, 134,411.77 and 45,203.45

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Solution

The fourth proportional to 89,573.23, 134,411.77 and 45,203.45 is: 67,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,573.23 : 134,411.77 = 45,203.45 : x
  2. Step 2: Convert to fraction form
    89,573.23/134,411.77 = 45,203.45/x
  3. Step 3: Cross multiply
    89,573.23x = 134,411.77 × 45,203.45
  4. Step 4: Simplify right side
    89,573.23x = 6,075,875,724.61
  5. Step 5: Solve for x
    x = 6,075,875,724.61/89,573.23
  6. Step 6: Final answer
    x = 67,831.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.