Home / 93,112.61-128,498.30-52,828.07

Finding the Fourth Proportional to 93,112.61, 128,498.30 and 52,828.07

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Solution

The fourth proportional to 93,112.61, 128,498.30 and 52,828.07 is: 72,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,112.61 : 128,498.30 = 52,828.07 : x
  2. Step 2: Convert to fraction form
    93,112.61/128,498.30 = 52,828.07/x
  3. Step 3: Cross multiply
    93,112.61x = 128,498.30 × 52,828.07
  4. Step 4: Simplify right side
    93,112.61x = 6,788,316,478.75
  5. Step 5: Solve for x
    x = 6,788,316,478.75/93,112.61
  6. Step 6: Final answer
    x = 72,904.38

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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.