Home / 93,435.29-128,895.86-61,155.70

Finding the Fourth Proportional to 93,435.29, 128,895.86 and 61,155.70

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Solution

The fourth proportional to 93,435.29, 128,895.86 and 61,155.70 is: 84,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,435.29 : 128,895.86 = 61,155.70 : x
  2. Step 2: Convert to fraction form
    93,435.29/128,895.86 = 61,155.70/x
  3. Step 3: Cross multiply
    93,435.29x = 128,895.86 × 61,155.70
  4. Step 4: Simplify right side
    93,435.29x = 7,882,716,545.40
  5. Step 5: Solve for x
    x = 7,882,716,545.40/93,435.29
  6. Step 6: Final answer
    x = 84,365.52

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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.