Home / 93,768.32-129,409.08-56,041.76

Finding the Fourth Proportional to 93,768.32, 129,409.08 and 56,041.76

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Solution

The fourth proportional to 93,768.32, 129,409.08 and 56,041.76 is: 77,342.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,768.32 : 129,409.08 = 56,041.76 : x
  2. Step 2: Convert to fraction form
    93,768.32/129,409.08 = 56,041.76/x
  3. Step 3: Cross multiply
    93,768.32x = 129,409.08 × 56,041.76
  4. Step 4: Simplify right side
    93,768.32x = 7,252,312,603.18
  5. Step 5: Solve for x
    x = 7,252,312,603.18/93,768.32
  6. Step 6: Final answer
    x = 77,342.89

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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.