Home / 93,478.06-128,999.03-51,036.59

Finding the Fourth Proportional to 93,478.06, 128,999.03 and 51,036.59

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Solution

The fourth proportional to 93,478.06, 128,999.03 and 51,036.59 is: 70,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,478.06 : 128,999.03 = 51,036.59 : x
  2. Step 2: Convert to fraction form
    93,478.06/128,999.03 = 51,036.59/x
  3. Step 3: Cross multiply
    93,478.06x = 128,999.03 × 51,036.59
  4. Step 4: Simplify right side
    93,478.06x = 6,583,670,671.82
  5. Step 5: Solve for x
    x = 6,583,670,671.82/93,478.06
  6. Step 6: Final answer
    x = 70,430.12

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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.