Home / 93,876.51-129,547.58-51,434.13

Finding the Fourth Proportional to 93,876.51, 129,547.58 and 51,434.13

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Solution

The fourth proportional to 93,876.51, 129,547.58 and 51,434.13 is: 70,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,876.51 : 129,547.58 = 51,434.13 : x
  2. Step 2: Convert to fraction form
    93,876.51/129,547.58 = 51,434.13/x
  3. Step 3: Cross multiply
    93,876.51x = 129,547.58 × 51,434.13
  4. Step 4: Simplify right side
    93,876.51x = 6,663,166,813.73
  5. Step 5: Solve for x
    x = 6,663,166,813.73/93,876.51
  6. Step 6: Final answer
    x = 70,978.00

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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.