Home / 88,430.56-121,826.66-61,526.82

Finding the Fourth Proportional to 88,430.56, 121,826.66 and 61,526.82

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Solution

The fourth proportional to 88,430.56, 121,826.66 and 61,526.82 is: 84,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,430.56 : 121,826.66 = 61,526.82 : x
  2. Step 2: Convert to fraction form
    88,430.56/121,826.66 = 61,526.82/x
  3. Step 3: Cross multiply
    88,430.56x = 121,826.66 × 61,526.82
  4. Step 4: Simplify right side
    88,430.56x = 7,495,606,981.02
  5. Step 5: Solve for x
    x = 7,495,606,981.02/88,430.56
  6. Step 6: Final answer
    x = 84,762.63

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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.