Home / 93,460.08-128,970-51,010.36

Finding the Fourth Proportional to 93,460.08, 128,970 and 51,010.36

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Solution

The fourth proportional to 93,460.08, 128,970 and 51,010.36 is: 70,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,460.08 : 128,970 = 51,010.36 : x
  2. Step 2: Convert to fraction form
    93,460.08/128,970 = 51,010.36/x
  3. Step 3: Cross multiply
    93,460.08x = 128,970 × 51,010.36
  4. Step 4: Simplify right side
    93,460.08x = 6,578,806,129.20
  5. Step 5: Solve for x
    x = 6,578,806,129.20/93,460.08
  6. Step 6: Final answer
    x = 70,391.62

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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.