Home / 88,184.34-121,627.71-61,313.40

Finding the Fourth Proportional to 88,184.34, 121,627.71 and 61,313.40

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Solution

The fourth proportional to 88,184.34, 121,627.71 and 61,313.40 is: 84,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,184.34 : 121,627.71 = 61,313.40 : x
  2. Step 2: Convert to fraction form
    88,184.34/121,627.71 = 61,313.40/x
  3. Step 3: Cross multiply
    88,184.34x = 121,627.71 × 61,313.40
  4. Step 4: Simplify right side
    88,184.34x = 7,457,408,434.31
  5. Step 5: Solve for x
    x = 7,457,408,434.31/88,184.34
  6. Step 6: Final answer
    x = 84,566.13

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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.